<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>仅执行模块，不导入任何内容</title>
</head>
<body>
    <ul id="logBox"></ul>
    <script type="module">
        import './log.js';
        import './excute.js';
        // 该模块会被加载并执行，但当前模块不会引入任何变量
        log(c)
        console.log(c)
    </script>
</body>
</html>